Unit 13　We're trying to save the earth! 第二课时　Section A (3a-3b) 课件8张

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Unit 13　We're trying to save the earth!
第二课时　Section A (3a 3b)
一、根据句意，用括号中所给单词的适当形式填空。
1．He's going to work in the ____________(south) part of China next year.
2．Look！The tiger _______(keep) in a tiny cage and can't move.
3．Eating too much junk food is really __________(harm) to your health.
4．Most students went there for _________(science) activities last week.
5．Something must be _______(do) to protect the sharks because they are endangered now.
southern
is kept
harmful
scientific
done
二、根据句意，选择方框中的单词并用其适当形式填空。
6．Our government has made ______to stop driving after drinking.
7．I think it's ______to kill dogs for meat.
8．Ann is at the _____of her class.Almost all the teachers like her.
9．Now the tourist ___________is developing quickly in our city.
10．I want some information about the food ______in the deep ocean.
laws
cruel
top
industry
chain
三、单项选择。
( )11.You will feel cold ________ you don't wear a coat.(2020，甘肃)
A．so　　　　　　B．though　　　　
C．if　　　　　　　D．unless
( )12.The man in blue is ________ old to finish the difficult task in such a short time.(2020，黔南)
A．too B．very C．so D．much
( )13.In the last few years they ________ great achievements.
A．made B．have made C．were making D．had made
C
A
B
( )14.—Which show do you prefer，Running Man or Everlasting Classics (《经典咏流传》)？(原创题)
—Everlasting Classics，of course.________ I ________ my brother likes it.
A．Both；and B．Neither；nor
C．Either；or D．Not only；but also
( )15.—What ________ the number of the students in your school？(易错题)
—About two thousand.A number of them ________ from the countryside.
A．is；are B．is；is C．are；is D．are；are
D
A
四、用方框中所单词的适当形式填空，使短文完整、通顺。每词限用一次。
rubbish，however，afraid，keep，because，lucky，bad，another，clean，produce
The earth is our home and we must take good care of it.That is to say we must 16. the land，air and water clean.But man
17. a lot of pollution on earth since he first made fire，washed his clothes in the river and threw waster or 18. on the ground.Many years ago，pollution was not so serious 19. there were not so many people.
keep
has produced
rubbish
because
In the past，there was enough 20. air，land and water.When the land or the river was dirty in one place，man moved to
21. place.Man now，22. ，is slowly polluting the whole world and there is neither enough clean air，nor clean land，nor clean water.The more people there are in one place，the 23. environment they maybe have.
Perhaps you are 24. it is endless for people to produce pollution.25. ，we are glad to tell you that people have come to know the danger of pollution and more and more people are working hard to protect our earth.
clean
another
however
worse
afraid
Luckily